IL102956A0 - Light protection apparatus comprising an electrically controllable light protection filter element - Google Patents

Light protection apparatus comprising an electrically controllable light protection filter element

Info

Publication number
IL102956A0
IL102956A0 IL102956A IL10295692A IL102956A0 IL 102956 A0 IL102956 A0 IL 102956A0 IL 102956 A IL102956 A IL 102956A IL 10295692 A IL10295692 A IL 10295692A IL 102956 A0 IL102956 A0 IL 102956A0
Authority
IL
Israel
Prior art keywords
light protection
filter element
electrically controllable
protection apparatus
controllable light
Prior art date
Application number
IL102956A
Other versions
IL102956A (en
Original Assignee
Optrel Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE4128291A external-priority patent/DE4128291A1/en
Application filed by Optrel Ag filed Critical Optrel Ag
Publication of IL102956A0 publication Critical patent/IL102956A0/en
Publication of IL102956A publication Critical patent/IL102956A/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/04—Eye-masks ; Devices to be worn on the face, not intended for looking through; Eye-pads for sunbathing
    • A61F9/06—Masks, shields or hoods for welders
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/04—Eye-masks ; Devices to be worn on the face, not intended for looking through; Eye-pads for sunbathing
    • A61F9/06—Masks, shields or hoods for welders
    • A61F9/065—Masks, shields or hoods for welders use of particular optical filters
    • A61F9/067—Masks, shields or hoods for welders use of particular optical filters with variable transmission

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Optical Couplings Of Light Guides (AREA)
IL10295692A 1991-08-27 1992-08-26 Light protection apparatus comprising an electrically controllable light protection filter element IL102956A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4128291A DE4128291A1 (en) 1991-08-27 1991-08-27 Light protection filter esp. for welding helmet or protective goggles or shield - has filter element electrically controllable related to its optical transmission which works in conjunction with transmission control unit
CH5792 1992-01-10

Publications (2)

Publication Number Publication Date
IL102956A0 true IL102956A0 (en) 1993-01-31
IL102956A IL102956A (en) 1995-01-24

Family

ID=25683383

Family Applications (1)

Application Number Title Priority Date Filing Date
IL10295692A IL102956A (en) 1991-08-27 1992-08-26 Light protection apparatus comprising an electrically controllable light protection filter element

Country Status (8)

Country Link
EP (1) EP0536081A1 (en)
JP (1) JP3274889B2 (en)
KR (1) KR930003882A (en)
BR (1) BR9203364A (en)
CA (1) CA2076777A1 (en)
FI (1) FI923822A (en)
IL (1) IL102956A (en)
NO (1) NO923212L (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH686214A5 (en) * 1994-04-22 1996-02-15 Xelux Holding Ag Anti-glare device.
DE69415178T2 (en) * 1994-10-04 1999-04-29 Optrel Ag ELECTROOPTIC FILTER CARTRIDGE AND THEIR PRODUCTION METHOD
SG79885A1 (en) * 1994-10-04 2001-04-17 Optrel Ag Electrooptical filter cartridge and a method for manufacturing the same
CH694318A5 (en) * 1998-12-29 2004-11-30 Sellstrom Mfg Company Face protection.
WO2005002481A1 (en) 2003-07-02 2005-01-13 Lightswitch Safety Systems, Inc. Indicator layout on an auto-darkening lens for use in welding
US7161135B2 (en) 2003-07-03 2007-01-09 Lightswitch Safety Systems, Inc. Multi-stage sensor for an auto-darkening lens for use in welding and method
WO2005008275A1 (en) 2003-07-08 2005-01-27 Lightswitch Safety Systems, Inc. Method and element for light detecting and angle of view compensation for optical devices
KR100665493B1 (en) * 2006-02-03 2007-01-09 이동헌 Welding helmet having auto-glare shield and ventilator

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1214121A (en) * 1957-10-24 1960-04-06 Improvements to photometers, especially for photography, cinematography and television
US3134021A (en) * 1959-08-01 1964-05-19 Zeiss Ikon Ag Photoelectric exposure meters with light ray limiters
GB2122366B (en) * 1982-06-03 1985-11-27 Tong Shen Hsieh Automatic liquid-crystal light shutter
DE4118208A1 (en) * 1991-06-04 1991-11-07 Veit Dr Thomas Fast viewed displays control under variable lighting - uses light sensors for intensity, direction and spectrum and has liquid-crystal viewing panels

Also Published As

Publication number Publication date
FI923822A0 (en) 1992-08-26
BR9203364A (en) 1993-04-06
JP3274889B2 (en) 2002-04-15
KR930003882A (en) 1993-03-22
JPH05208297A (en) 1993-08-20
CA2076777A1 (en) 1993-02-28
NO923212L (en) 1993-03-01
IL102956A (en) 1995-01-24
EP0536081A1 (en) 1993-04-07
NO923212D0 (en) 1992-08-17
FI923822A (en) 1993-02-28

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Legal Events

Date Code Title Description
RH Patent void
MM9K Patent not in force due to non-payment of renewal fees